4000mAh External Battery/ Great For Traveling/ Charging Output Of Up To 2.1 Amps/ Fully Compatible With Every iPhone And iPod Touch/ Rechargeable For Over 500 Cycles/ LED Status Indicator/ Built-In Short Circuit, Overcharge And Temperature Protection/ Black Finish

Fully Compatible With Every iPhone And iPod Touch/ Not Recommended For Use With Tablets/ Rechargeable For Over 500 Cycles/ LED Status Indicator/ Built-In Short Circuit, Overcharge And Temperature Protection/ Black Finish